Search a number
-
+
57671401 = 291988669
BaseRepresentation
bin1101101111111…
…1111011101001
311000112000021211
43123333323221
5104230441101
65420033121
71300125124
oct333777351
9130460254
1057671401
112a610417
12173927a1
13bc430b8
1479333bb
1550e2c51
hex36ffee9

57671401 has 4 divisors (see below), whose sum is σ = 59660100. Its totient is φ = 55682704.

The previous prime is 57671371. The next prime is 57671407. The reversal of 57671401 is 10417675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26255376 + 31416025 = 5124^2 + 5605^2 .

It is a cyclic number.

It is not a de Polignac number, because 57671401 - 29 = 57670889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57671407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994306 + ... + 994363.

It is an arithmetic number, because the mean of its divisors is an integer number (14915025).

Almost surely, 257671401 is an apocalyptic number.

It is an amenable number.

57671401 is a deficient number, since it is larger than the sum of its proper divisors (1988699).

57671401 is a wasteful number, since it uses less digits than its factorization.

57671401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988698.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 57671401 is about 7594.1688814511. The cubic root of 57671401 is about 386.3552641256.

The spelling of 57671401 in words is "fifty-seven million, six hundred seventy-one thousand, four hundred one".

Divisors: 1 29 1988669 57671401